Erigeron acris
bitter fleabane
WTU specimens
Other herbaria
WTU images

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the northern Great Plains, Great Lakes region, and northeastern North America; circumboreal.

Habitat: Meadows, forest openings, and open slopes from middle elevations to the subalpine.

Flowers: June-September

Origin: Native

Conservation Status: Not of concern

Description:
General:

Biennial or perennial, 0.5-8 dm. tall, often covered with stiff, blunt hairs.

Leaves:

Basal leaves oblanceolate or spatulate, the cauline ones ample to strongly reduced, lance-ovate to linear-oblong;

Flowers:

Heads usually several on somewhat glandular, curved peduncles; involucral bracts tapered and pointed; rays pistillate, numerous, erect, inconspicuous, white, up to 4 mm. long and 0.4 mm. wide; inner pistillate flowers rayless; pappus surpassing the disk flowers.

Accepted Name:
Erigeron acris L.
Publication: Sp. Pl. 2: 863. 1753.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. kamtschaticus – Kamchatka bitter fleabane    Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the northern Great Plains, Great Lakes region, and northeastern North America; circumboreal.
Additional Resources:

PNW Herbaria: Specimen records of Erigeron acris in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Erigeron acris checklist entry.

E-Flora BC: Erigeron acris atlas page.

CalPhotos: Erigeron acris photos.

USDA Plants: Erigeron acris information.

13 photographs:
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